You know those folks who seem to have it all together? Experts say they follow a few simple rules.

By Sarah Stebbins

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3. Never Label Anything "Miscellaneous"

You put a bunch of things into a file or box and write this catchall across the front. "But within a week you've forgotten what's in there," says Morgenstern. Instead, sort items into specific groups—"electric bills," "lightbulbs," and so on.